X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/4ccfd96cfee813f3855be5a902acc3d5cd0545a4..0d67e00af8119231c94951f1291c96a8d09861c8:/io.c

diff --git a/io.c b/io.c
index 828f552b..f01353ff 100644
--- a/io.c
+++ b/io.c
@@ -203,6 +203,10 @@ static void msg_list_add(int code, char *buf, int len)
 
 void send_msg(enum msgcode code, char *buf, int len)
 {
+	if (msg_fd_out < 0) {
+		io_multiplex_write(code, buf, len);
+		return;
+	}
 	msg_list_add(code, buf, len);
 	msg_list_push(NORMAL_FLUSH);
 }
@@ -244,6 +248,14 @@ static void read_msg_fd(void)
 		read_loop(fd, buf, 4);
 		redo_list_add(IVAL(buf,0));
 		break;
+	case MSG_DELETED:
+		if (len >= (int)sizeof buf || !am_generator) {
+			rprintf(FERROR, "invalid message %d:%d\n", tag, len);
+			exit_cleanup(RERR_STREAMIO);
+		}
+		read_loop(fd, buf, len);
+		io_multiplex_write(MSG_DELETED, buf, len);
+		break;
 	case MSG_INFO:
 	case MSG_ERROR:
 	case MSG_LOG:
@@ -640,7 +652,7 @@ static int readfd_unbuffered(int fd, char *buf, size_t len)
 	static size_t remaining;
 	static size_t iobuf_in_ndx;
 	int tag, ret = 0;
-	char line[1024];
+	char line[MAXPATHLEN+1];
 
 	if (!iobuf_in || fd != sock_f_in)
 		return read_timeout(fd, buf, len);
@@ -677,6 +689,21 @@ static int readfd_unbuffered(int fd, char *buf, size_t len)
 			read_loop(fd, iobuf_in, remaining);
 			iobuf_in_ndx = 0;
 			break;
+		case MSG_DELETED:
+			if (remaining >= sizeof line) {
+				rprintf(FERROR, "invalid multi-message %d:%ld\n",
+					tag, (long)remaining);
+				exit_cleanup(RERR_STREAMIO);
+			}
+			read_loop(fd, line, remaining);
+			line[remaining] = '\0';
+			/* A directory name was sent with the trailing null */
+			if (remaining > 0 && !line[remaining-1])
+				log_delete(line, S_IFDIR);
+			else
+				log_delete(line, S_IFREG);
+			remaining = 0;
+			break;
 		case MSG_INFO:
 		case MSG_ERROR:
 			if (remaining >= sizeof line) {
@@ -729,6 +756,14 @@ static void readfd(int fd, char *buffer, size_t N)
 }
 
 
+int read_shortint(int f)
+{
+	uchar b[2];
+	readfd(f, (char *)b, 2);
+	return (b[1] << 8) + b[0];
+}
+
+
 int32 read_int(int f)
 {
 	char b[4];
@@ -772,9 +807,9 @@ void read_sbuf(int f,char *buf,size_t len)
 	buf[len] = 0;
 }
 
-unsigned char read_byte(int f)
+uchar read_byte(int f)
 {
-	unsigned char c;
+	uchar c;
 	readfd(f, (char *)&c, 1);
 	return c;
 }
@@ -786,19 +821,20 @@ void read_sum_head(int f, struct sum_struct *sum)
 	sum->count = read_int(f);
 	sum->blength = read_int(f);
 	if (sum->blength < 0 || sum->blength > MAX_BLOCK_SIZE) {
-		rprintf(FERROR, "Invalid block length %ld\n",
-		    (long)sum->blength);
+		rprintf(FERROR, "[%s] Invalid block length %ld\n",
+			who_am_i(), (long)sum->blength);
 		exit_cleanup(RERR_PROTOCOL);
 	}
 	sum->s2length = protocol_version < 27 ? csum_length : (int)read_int(f);
 	if (sum->s2length < 0 || sum->s2length > MD4_SUM_LENGTH) {
-		rprintf(FERROR, "Invalid checksum length %d\n", sum->s2length);
+		rprintf(FERROR, "[%s] Invalid checksum length %d\n",
+			who_am_i(), sum->s2length);
 		exit_cleanup(RERR_PROTOCOL);
 	}
 	sum->remainder = read_int(f);
 	if (sum->remainder < 0 || sum->remainder > sum->blength) {
-		rprintf(FERROR, "Invalid remainder length %ld\n",
-		    (long)sum->remainder);
+		rprintf(FERROR, "[%s] Invalid remainder length %ld\n",
+			who_am_i(), (long)sum->remainder);
 		exit_cleanup(RERR_PROTOCOL);
 	}
 }
@@ -1054,6 +1090,15 @@ static void writefd(int fd,char *buf,size_t len)
 }
 
 
+void write_shortint(int f, int x)
+{
+	uchar b[2];
+	b[0] = x;
+	b[1] = x >> 8;
+	writefd(f, (char *)b, 2);
+}
+
+
 void write_int(int f,int32 x)
 {
 	char b[4];
@@ -1100,19 +1145,20 @@ void write_buf(int f,char *buf,size_t len)
 	writefd(f,buf,len);
 }
 
+
 /** Write a string to the connection */
 void write_sbuf(int f, char *buf)
 {
 	writefd(f, buf, strlen(buf));
 }
 
-void write_byte(int f,unsigned char c)
+
+void write_byte(int f, uchar c)
 {
 	writefd(f, (char *)&c, 1);
 }
 
 
-
 /**
  * Read a line of up to @p maxlen characters into @p buf (not counting
  * the trailing null).  Strips the (required) trailing newline and all